When this model makes sense
A USB microphone with the current Wave processing path. Start with that job, then check the surrounding connections. A feature on this device does not establish that the computer, software and destination support the same path.
This is part of the current catalog. Current availability in a manufacturer family does not guarantee retail stock, every regional variant or support for every operating-system release. Match the exact model name when reading a product listing.
Three useful fits
- Record one speaking position through the direct USB connection; place the microphone before adding effects.
- Use the documented headphone output to hear the microphone while setting distance and gain.
- Keep a compact single-voice rig without buying a separate XLR interface. Add another input path only when the workflow actually needs it.
- Best starting job: a usb microphone with the current wave processing path.
- Upgrade around owned gear: use the setup builder to check this connection against your existing computer and sources before replacing adjacent equipment.
- Controlled comparison: compare the required input, output and workflow using the usb versus xlr guide. Choose the smaller sufficient path when extra hardware does not solve a declared problem.
Connections and decision fields
Read connector shape and data protocol separately. An adapter can change the cable ends; it cannot create a faster host controller, add a microphone preamp or convert protected HDMI into a supported capture source.
- Exact identity
- Elgato Wave:3 MK.2
- Lifecycle
- Current catalog
- Equipment role
- microphone
- Connector shape
- USB-C; 3.5 mm headphone
- Audio outputs
- USB
- Microphone type
- condenser
- Direct monitoring
- Yes
- Mic Mode
- USB
- Host operating systems
- Windows 11+; macOS 14.2+
- Polar Pattern
- Cardioid
- Frequency Response
- 70 Hz-20 kHz
- Sample Rate
- 48 kHz
- Bit Depth
- 24-bit
- Max Spl
- 130 dB SPL
- Sensitivity
- -20 dBFS
- Dynamic Range
- 110 dB
- Onboard Dsp
- Yes
- Clipguard
- Clipguard 2.0
- Controls
- Gain; Voice Tune; Headphone volume; Monitor mix
- Mounts
- 1/4-inch thread; 5/8-inch adapter; 3/8-inch adapter
- Dimensions
- 46 x 85 x 167 mm without stand
- Weight
- 250 g without stand
- Virtual Mixes
- Up to 5 in Wave Link
- Included parts
- Wave:3 MK.2; Desk stand; USB-C cable, 250 cm; 5/8-inch and 3/8-inch thread adapters
Use the listed modes as a starting point for the connection. Before a live session, select the exact source in OBS and record it with the other devices connected. If the required mode is absent, lower the output or change the connection before replacing the source.
Check these conditions first
- The main limitation: Select the MK.2 audio device and configure its processing before routing it to OBS; first-generation Wave:3 instructions describe a different processing path.
- The rest of the path: the operating system must recognize the input, and the production application must expose the selected mode. A device visible in a system panel may still be unavailable to OBS if another application owns it.
- The session conditions: check the full intended duration with all the other devices connected. A short isolated test does not expose shared USB contention, camera runtime limits, accidental monitoring loops or changing household upload.
For a microphone, set distance and input gain before adding processing. Speak at the loudest realistic level, listen to a recording and leave headroom. A USB/XLR hybrid must be evaluated in the mode you will use; software processing on the USB route does not automatically appear on XLR.
If the builder reports a hard blocker, solve that requirement before buying an alternative. A conditional result needs the named check. An unknown result means the information is insufficient; it is not a negative review of this model.
What is included, and what may be missing
- Wave:3 MK.2
- Desk stand
- USB-C cable, 250 cm
- 5/8-inch and 3/8-inch thread adapters
Write down both cable ends and the required data rating. Check length against the real desk route, allowing slack at moving joints without putting tension on a socket. If a host has USB-A and a device arrives with only a C-to-C cable, choose a suitable data cable or adapter; the host’s underlying data speed still applies.
Mounting parts deserve the same check as signal cables. Confirm thread, clamp thickness, load and available space where these apply. “Mount compatible” is incomplete without the mating connector or dimensions. Keep adapters in the plan so the final wiring sheet does not conceal an extra purchase.
Use the optional cost fields in the builder for amounts you have observed yourself. A missing purchase amount stays unknown and is excluded from the known subtotal; it is never shown as a free item. The site does not display hardware prices or stock.
Place it in the complete setup
- CameraUSB video → computer / OBS
- MicrophoneUSB audio → computer / OBS
- Headphones3.5 mm ← microphone monitor
- Stream outputComputer Ethernet → router → platform
Detailed wiring diagram · scroll to follow the path →
View the connection diagram
The diagram illustrates a direct USB setup. Put Elgato Wave:3 MK.2 in its microphone role, then follow each required input to an actual source and each output to an actual destination. For an HDMI or XLR component, insert the required capture device or interface between the source and host; do not interpret the direct USB illustration as a universal connection.
- Connect mounts and power before plugging in the signal cables. Keep the input gain or monitor volume low while changing connections.
- Select the exact device and mode in the operating system and production software. Close any second application that may be using the same video device.
- Add each source once. If a routing application already feeds the capture audio to OBS, do not enable a second direct route for the same sound.
- Record a representative sample with speech, movement and other sources active. Play it back independently of the live monitoring path.
- Test the platform preview with the intended network and output settings, then save a recovery scene and reconnection order.
Use the Setup Path Builder to produce a connection ledger, or go directly to the pre-stream checklist when you have finished the wiring. For the underlying choice, see usb versus xlr.